<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>index</title>
</head>
<body>
hello world!<br>
    <form action="/demo/logout?logout" method="post">
        <input type="submit" value="退出登录post"/>
    </form>

<br>
<br>
<a href="/demo/auth2/authorization/gitee">gitee登录</a>
<a href="/demo/auth2/authorization/github">github登录</a>
<a href="/demo/auth2/authorization/qq">qq登录</a>
</body>
</html>